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Weather & Climate in Shinshimokawa, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shinshimokawa has a cool climate with an average annual temperature of 39°F (4°C). Winters average 14°F in January while summers reach 62°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.2 inches. The area receives 14.3 inches of snow annually. The city sits at an elevation of 892 feet.
Temperature
14°F Jan (-10°C)
62°F Jul (17°C)
| Annual Average | 39.0°F |
| 28% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 892 ft (272 m) |
| Area | 206.6 sq mi (535.2 km²) |
| Population Density | 19/sq mi |
| Coordinates | 44.2449°N, 142.6774°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
263 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Jan 15, 1993 | 52 km NE of Otofuke, Japan | M7.6 | 133 km | 102 km |
| Jan 11, 2016 | 74 km NW of Rumoi, Japan | M6.2 | 129 km | 239 km |
| Oct 21, 2011 | 16 km NE of Asahikawa, Japan | M6.1 | 42 km | 187 km |
| Feb 19, 2003 | 26 km NNE of Rumoi, Japan | M5.9 | 71 km | 214 km |
| May 23, 1995 | Hokkaido, Japan region | M5.6 | 100 km | 17 km |
| Jan 22, 2013 | 77 km SSW of Rishiri Town, Japan | M5.4 | 139 km | 235 km |
| Aug 15, 1990 | 43 km ESE of Kamikawa, Japan | M5.3 | 74 km | 162 km |
| Dec 22, 1997 | 17 km ENE of Otofuke, Japan | M5.3 | 142 km | 115 km |
| Jun 20, 2021 | 29 km NE of Shimo-furano, Japan | M5.3 | 77 km | 152 km |
| Feb 21, 1990 | 27 km SSW of Nayoro, Japan | M5.1 | 34 km | 33 km |
| Jul 5, 2024 | 10 km WNW of Nayoro, Japan | M5.1 | 31 km | 232 km |
| May 21, 2013 | 83 km ESE of Makubetsu, Japan | M5.1 | 100 km | 273 km |
| Aug 13, 2013 | 35 km WSW of Kitami, Japan | M5.1 | 86 km | 178 km |
| Aug 10, 2022 | 51 km SSE of Makubetsu, Japan | M5.1 | 91 km | 10 km |
| Nov 10, 1990 | 23 km W of Nayoro, Japan | M5.1 | 43 km | 16 km |
| Apr 29, 1994 | 29 km W of Otofuke, Japan | M5.0 | 143 km | 126 km |
| Jul 31, 2021 | 16 km NNE of T?betsu, Japan | M5.0 | 131 km | 168 km |
| Jul 20, 1993 | 33 km W of Nayoro, Japan | M5.0 | 51 km | 18 km |
| May 10, 2005 | 35 km E of Kamikawa, Japan | M5.0 | 67 km | 161 km |
| Sep 22, 1999 | 69 km ENE of Makubetsu, Japan | M5.0 | 148 km | 292 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 2.0 m (7 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1947 | W. HOKKAIDO ISLAND | Earthquake | 2.0 m | — | 143 km |
| 1938 | E. HOKKAIDO ISLAND | Earthquake | 0.9 m | 1 | 148 km |
| 1956 | NE. HOKKAIDO ISLAND | Earthquake | 0.4 m | — | 113 km |
| 1863 | NW. HOKKAIDO ISLAND | Earthquake | — | — | 102 km |
| 1834 | W. HOKKAIDO ISLAND | Earthquake | — | — | 147 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Taisetsuzan (66 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Taisetsuzan | Stratovolcano(es) | 2,291 m (7,516 ft) | 1739 | 66 km |
| Tokachidake | Stratovolcano(es) | 2,077 m (6,814 ft) | 2004 | 92 km |
| Maruyama | Stratovolcano(es) | 2,013 m (6,604 ft) | 1898 | 96 km |
| Akan | Caldera | 1,499 m (4,918 ft) | 2008 | 144 km |
| Kussharo | Caldera | 574 m (1,883 ft) | 1320 | 157 km |
| Mashu | Caldera | 857 m (2,812 ft) | 1080 | 168 km |
| Shiretoko-Iozan | Stratovolcano | 1,562 m (5,125 ft) | 1936 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 2.7 in | |
| February | 14°F (-10°C) | 1.9 in | Coldest, Driest |
| March | 23°F (-5°C) | 2.5 in | |
| April | 36°F (2°C) | 2.5 in | |
| May | 47°F (8°C) | 3.1 in | |
| June | 54°F (12°C) | 3.0 in | |
| July | 62°F (17°C) | 4.1 in | |
| August | 65°F (18°C) | 5.8 in | Warmest, Wettest |
| September | 56°F (13°C) | 5.7 in | |
| October | 45°F (7°C) | 4.7 in | |
| November | 32°F (-0°C) | 4.1 in | |
| December | 21°F (-6°C) | 3.2 in |
Shinshimokawa has a seasonal temperature swing of 50°F / from 14°F in February to 65°F in August. Total annual precipitation is 43.2 inches, with August being the wettest month (5.8") and February the driest (1.9").